HTC ThunderBolt poised for an update?

Remember that HTC ThunderBolt ROM that leaked out a few days ago? Looks like Verizon's getting ready to push it (or something close to it?), as Android Central Forums member jim302 spotted that the release notes have been posted in the usual place and the build numbers match up. Here's the changelog:

Interesting that it includes "stability improvements" for My Verizon when Verizon hasn't even released a version of My Verizon for the ThunderBolt yet. Maybe it will enhance the stability of Skype and Netflix too.